MODULE 1:
PROPERTIES AND
STRUCTURE OF
MATTER
INQUIRY QUESTION: HOW DO THE
PROPERTIES OF SUBSTANCES HELP US
CLASSIFY AND SEPARATE THEM?
RECAP STAGE 5:
God created the
whole world. The
study of matter
enables us, as
chemists, to
explore the order
that God has
instilled in his
creation.
WS1.1 11PSA (WB) P. 15
& CHAP 1 TEXT & PRAC
I CAN DIFFERENTIATE
BETWEEN:
• MIXTURES AND PURE SUBSTANCES
• ELEMENTS AND COMPOUNDS
• SOLIDS, LIQUIDS AND GASES
• SOLUTIONS AND SUSPENSIONS
• PHYSICAL AND CHEMICAL CHANGES
• ATOMS AND MOLECULES
• CHEMICAL SYMBOLS AND FORMULAE
LEARNING OUTCOMES: (SUCCESS CRITERIA)
After completing this inquiry question students should be to:
• Explain the difference between a homogenous and a heterogeneous mixture giving suitable examples of each (for
each example given explaining why it is a homogeneous/heterogeneous mixture)
• Explain the difference between a physical and a chemical property giving suitable examples of each.
• Describe how melting point and/or boiling point could be used to determine the purity of a substance
• Calculate the density of a substance given appropriate data.
• Explain how a stated heterogeneous mixture was separated using physical separation methods. (For each
separation method describe how the separation was achieved)
• Explain how a stated homogeneous mixture was separated using physical separation method/s. (For each
separation method describe how the separation was achieved)
• Calculate the percentage composition by weight of component elements and/or compounds in a substance
• Classify elements based on their position and properties in the periodic table using both physical and chemical
properties.
• SEE STUDY GUIDE QUESTIONS AND/OR CYU CHAP 2 FOR SUMMARY NOTES
KEY TERMS
Property, classify,
substance, homogeneous,
heterogeneous, mixture,
separation technique,
physical/chemical
property, element,
compound, percentage
composition, IUPAC
nomenclature, periodic
table etc.
LEARNING INTENTION:
Explores the properties and trends in the physical,
structural and chemical aspects of matter
• Difference between a physical & chemical property & link with physical and
chemical change p. 20 WB p.4
• https://www.youtube.com/watch?v=Z5L2NOMEWT0
• State examples of physical and chemical properties
• Explain that whether a substance is homogeneous or heterogeneous (see p.4
flowchart), has a particular colour, is magnetic or a specific particle size are all
factors which can be used to classify substances p. 21-23 WB p 5
• Describe the difference between melting point and boiling point and explain
how they can be used as a test for purity
• HTTPS://WWW.YOUTUBE.COM/WATCH?V=AW8V2FX0Y8C
• Analyse graphical data to determine whether substances are solids liquids or
gases p. 21-23
• Define density. Calculate density given relevant data
Colossians
1:17 and
Psalms
111:2
LEARNING INTENTION:
Explores the properties and trends in the physical,
structural and chemical aspects of matter
• Explain that physical properties can be used to separate mixtures
• Describe how the process of filtration works to separate mixtures, including suitable mixtures, examples and relevant
terms/equipment used
• Describe how the solubility may work to separate mixtures, including suitable mixtures, examples and relevant
terms/equipment used
• Describe how boiling point may work to separate mixtures, including suitable mixtures, examples and relevant
terms/equipment used
• Describe how the process of distillation works to separate mixtures, including suitable mixtures, examples and relevant
terms/equipment used (including the concept of fractional distillation)
• Explain how immiscible liquids can be separated, including suitable mixtures, examples and relevant terms/equipment
used
• P.25-29, WB p.4-5
SEPARATION TECHNIQUES
• FILTRATION: SEPARATE SOLIDS FROM LIQUIDS
• DECANTATION: SEPARATE LIQUIDS WITH DIFFERENT DENSITIES
• EVAPORATION: IS USED TO SEPARATE COMPOUNDS WITH DIFFERENT BOILING POINTS
• CENTRIFUGE: IS USED TO SEPARATE COMPOUNDS OF DIFFERENT DENSITIES
• DENSITY: CAN BE USED TO CONVERT BETWEEN VOLUME AND MASS
Explore homogeneous mixtures and heterogeneous mixtures through practical
investigations:
using separation techniques based on physical properties (ACSCH026)
• Investigation 2.1 p. 28-29: separating salt, oil and water
• WB: practical activity 1.1 p 27-29
WRITING A HYPOTHESIS AND AIM
• SEE SCAFFOLDS WORKING
SCIENTIFICALLY
• IDENTIFY VARIABLES
METHOD, EQUIPMENT AND RISK
Calculating percentage composition by weight of component
elements and/or compounds (ACSCH007)
• Define gravimetric analysis and describe when an why it might be used in the analysis of mixtures
p. 30-33, WB p. 4
• (N)calculate % by mass of each component of a mixture given relevant data (WB Practical
activity 1.2 p30-32)
ELEMENTS
Elements in the bible….
and God made elements
with specific structures,
properties and functions
• Recall the definition of an element. State the most common elements on earth. Recall that most elements are combined as
compounds but some are found uncombined
• Describe the characteristics of metals and non-metals
• Describe semi-metals as elements that are difficult to classify as metals or non-metals (noting their position on the periodic
table)
• Investigations 2.3 & 2.4: Classifying elements as solid liquids and gases p. 34, Classifying as metals or non-metals p. 3537
• Recall that known elements are placed together in the periodic table. p.37-39 WBp.5
• Describe how the periodic table has vertical groups of elements (numbered – sometimes with roman numerals) and
horizontal rows or periods
• Some of the groups have names (noble gases, alkali earth metals and halogens) and mostly elements in a group will have
similar properties
LETS EXPLORE BONDING (NOTE THIS IS IQ4 AND
RELATES TO TASK 1)
• HTTPS://WWW.YOUTUBE.COM/WATCH?V=LQKC3BFZK6W
• HTTPS://WWW.YOUTUBE.COM/WATCH?V=ZPAHPXVR8WU
• HTTPS://WWW.YOUTUBE.COM/WATCH?V=H24UMH38_LI
• HTTPS://WWW.YOUTUBE.COM/WATCH?V=S08QDOTD0W0